This free, downloadable B-roll footage from the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) is for use by news media and education organizations. This high-resolution video features clips of GreenWood Tree Farm in Boardman, Oregon, including shots of a biomass harvester harvesting 3-year old poplar trees for biofuel, a close-up of harvested poplar trees, mature rapid-growth poplar trees, and planting new growth (poplar trees and saplings) for biofuel.
نحن نستخدم ملفات تعريف الارتباط في تقديم مقترحات لبعض المحتويات، وقياس نسبة زوار الموقع، وتخصيص الإعلانات. باستخدامك لهذا الموقع فإنك تقر بموافقتك على و